现有自由曲面的重建与仿形制造是反求工程中的关键技术之一。
Reconstruction and copying machining of existing freeform surface are one of key technology in reverse engineering.
与现有技术相比，本发明使燃料电池测试用负载大小可自由控制，无短路故障，无火花，安全可靠。
Compared with the prior art, the method can automatically control the size of load for the fuel cell test, has no fault of short circuit and no spark, and is safe and reliable.
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